IDG News Service - Microsoft Corp. is relying on green technologies in its newest data centers, including one in San Antonio where it is breaking ground on Monday.
The San Antonio building, one of several in the works at various locations, will be 500,000 square feet and contain tens of thousands of servers, said Michael Manos, senior director of data centers at Microsoft. Earlier this year, the company announced that it would build the center in San Antonio.
The first phase of the facility will be operational in July of next year, he said.
Microsoft's software plus services and Windows Live initiatives are driving these construction efforts, which will support the online services, he said. Microsoft is not alone among Internet services companies building new facilities to support hosted services. Google Inc. and Yahoo Inc. have also both announced development of new large data centers.
Microsoft uses 31 different criteria in choosing data center sites. While Manos wouldn't describe them all for competitive reasons, access to environmentally friendly resources is one.
In San Antonio, Microsoft plans to use recycled water, sometimes called gray water, in its cooling systems. The option, which allows the use of water that is not fresh or drinkable but is not contaminated by any toxic substances, is offered by the local utility. It is considered environmentally friendly because it reduces demands for fresh water and doesn't consume the energy required to purify it at waste water treatment sites.
In addition, a significant portion of electricity in Texas is generated by wind, and that clean source of energy was attractive to Microsoft, Manos said.
The San Antonio facility will be one-third the size of a massive data center that Microsoft is building in Quincy, Wash. That center will be nearly carbon-neutral, meaning it won't produce more carbon than it consumes. Electricity used at the Quincy data center will be generated by hydroelectric plants, which are common in western Washington. The center won't quite be totally carbon-neutral, however, because the company uses diesel-powered generators for backup and must test those occasionally, Manos said.
Last week, Microsoft confirmed that its construction company in Quincy switched to biodiesel to fuel cement trucks and other equipment. At that site, builders erected the walls and ceiling of the structure before laying the floor. Cement trucks, originally using petrodiesel fuel, were letting off exhaust that would be harmful to workers who were inside the enclosed building. Switching to biodiesel, which has cleaner exhaust, solved the health and safety problem at the site.
Manos wasn't sure that Microsoft would continue to use biodiesel at the Quincy site
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